Re: umtx/libthr SMP fixes.

2003-06-06 Thread Terry Lambert
Bryan Liesner wrote: > A non disclosure agreement is a non disclosure agreement, so no crap > from me. > > I'll give that a try and see if it makes a difference. I don't > remember off of the top of my head from the previous posts on this > subject, but does this bug apply to an Athlon XP as well?

Re: umtx/libthr SMP fixes.

2003-06-05 Thread Bryan Liesner
On Thu, 5 Jun 2003, Terry Lambert wrote: > I hesistate to suggest this because everyone always gives me > crap about me not disclosing the bug, but unless you are ready > to grovel around in locore, and figure out what the root cause > is for the difference in behaviour, I'm going to say that > th

Re: umtx/libthr SMP fixes.

2003-06-05 Thread Terry Lambert
Bryan Liesner wrote: > On Thu, 5 Jun 2003, Terry Lambert wrote: > > As I said: I still think there is a lost serialization here > > that's at the root of the problem. I can't really dedicate > > the equipment I have here to reproducing the issue at this > > time, or I'd track down the race I think

Re: umtx/libthr SMP fixes.

2003-06-05 Thread Bryan Liesner
On Thu, 5 Jun 2003, Terry Lambert wrote: > As I said: I still think there is a lost serialization here > that's at the root of the problem. I can't really dedicate > the equipment I have here to reproducing the issue at this > time, or I'd track down the race I think may be happening. > > -- Terr

Re: umtx/libthr SMP fixes.

2003-06-05 Thread Terry Lambert
Jeff Roberson wrote: > On Tue, 3 Jun 2003, Terry Lambert wrote: > > Scott Long wrote: > > > Bryan Liesner wrote: > > > It's very hard to imagine Jeff's patches causing a problem at the point > > > that the PR mentions. Have you confirmed the problem in a kernel that > > > was build in a totally cl

Re: umtx/libthr SMP fixes.

2003-06-04 Thread Bryan Liesner
On Tue, 3 Jun 2003, Robert Watson wrote: > > On Tue, 3 Jun 2003, Bryan Liesner wrote: > > > Actually, no it doesn't. I was able to use kern_umtx v 1.3 only if I > > removed atapicam from my kernel config. These patches (now committed?) > > panic the system whether I use atapicam or not. With ke

Re: umtx/libthr SMP fixes.

2003-06-04 Thread Jeff Roberson
On Tue, 3 Jun 2003, Terry Lambert wrote: > Scott Long wrote: > > Bryan Liesner wrote: > > It's very hard to imagine Jeff's patches causing a problem at the point > > that the PR mentions. Have you confirmed the problem in a kernel that > > was build in a totally clean environment? > > The changed

Re: umtx/libthr SMP fixes.

2003-06-04 Thread Terry Lambert
Scott Long wrote: > Bryan Liesner wrote: > It's very hard to imagine Jeff's patches causing a problem at the point > that the PR mentions. Have you confirmed the problem in a kernel that > was build in a totally clean environment? The changed code is not protecting a traversal of a proc struct me

Re: umtx/libthr SMP fixes.

2003-06-04 Thread Robert Watson
On Tue, 3 Jun 2003, Bryan Liesner wrote: > Actually, no it doesn't. I was able to use kern_umtx v 1.3 only if I > removed atapicam from my kernel config. These patches (now committed?) > panic the system whether I use atapicam or not. With kern_umtx v1.2 > there is no panic at all, with or wit

Re: umtx/libthr SMP fixes.

2003-06-04 Thread Bryan Liesner
On Tue, 3 Jun 2003, Scott Long wrote: > It's very hard to imagine Jeff's patches causing a problem at the point > that the PR mentions. Have you confirmed the problem in a kernel that > was build in a totally clean environment? > > Scott If you mean a kernel build with standard optimizations, ye

Re: umtx/libthr SMP fixes.

2003-06-04 Thread Scott Long
Bryan Liesner wrote: On Tue, 3 Jun 2003, Scott Long wrote: Actually, I think it's cam in general that's causing the panic with these changes. Please see kern/52718 I didn't see a backtrace in the PR. Is there one that you can share with us? It panics during boot and, unfortunately, no dump is

Re: umtx/libthr SMP fixes.

2003-06-04 Thread Bryan Liesner
On Tue, 3 Jun 2003, Scott Long wrote: > > Actually, I think it's cam in general that's causing the panic with > > these changes. > > > > Please see kern/52718 > > I didn't see a backtrace in the PR. Is there one that you can share > with us? > It panics during boot and, unfortunately, no dump is

Re: umtx/libthr SMP fixes.

2003-06-04 Thread Scott Long
Bryan Liesner wrote: On Mon, 2 Jun 2003, Jeff Roberson wrote: If you have had issues with libthr on SMP or umtx panics, the following patch may solve these issues. http://www.chesapeake.net/~jroberson/umtxlocks.diff This patch fixes several race conditions and other issues with umtx. Actually,

Re: umtx/libthr SMP fixes.

2003-06-04 Thread Bryan Liesner
On Mon, 2 Jun 2003, Jeff Roberson wrote: > If you have had issues with libthr on SMP or umtx panics, the following > patch may solve these issues. > > http://www.chesapeake.net/~jroberson/umtxlocks.diff > > This patch fixes several race conditions and other issues with umtx. Actually, no it does

umtx/libthr SMP fixes.

2003-06-03 Thread Jeff Roberson
If you have had issues with libthr on SMP or umtx panics, the following patch may solve these issues. http://www.chesapeake.net/~jroberson/umtxlocks.diff This patch fixes several race conditions and other issues with umtx. Thanks, Jeff ___ [EMAIL PROT